AFE Street Series Rear Differential Cover with Machined Fins; Raw (20-26 Sierra 2500 HD)Find parts that fit my vehicle

Rear Differential Cover. The AFE Street Series Rear Differential Cover with Machined Fins; Raw is engineered to enhance the cooling and protection of your vehicle’s rear differential. Designed as a direct replacement for the factory cover, it increases oil capacity and uses fins to efficiently dissipate heat, ensuring optimal performance and durability under demanding conditions.

Construction and Appearance. This differential cover is made from durable cast aluminum, featuring a raw finish with precisely machined fins for improved heat transfer. The robust construction ensures longevity while the raw aluminum offers a rugged and functional appearance suited for performance vehicles.

Installation. Installation is straightforward and requires no drilling, making it accessible for both professionals and experienced enthusiasts. The cover bolts on using existing mounting points for a secure fitment.

Application. Designed to fit 2020–2023 Chevrolet Silverado 2500 HD/3500 HD and GMC Sierra 2500 HD/3500 HD equipped with AAM 11.5 and 12.0 rear axles (including both gas and 6.6L diesel models). This broad compatibility ensures precise fitment and optimal performance across multiple GM heavy-duty truck models.

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